40274743 has 4 divisors (see below), whose sum is σ = 40301560. Its totient is φ = 40247928.

The previous prime is 40274719. The next prime is 40274747. The reversal of 40274743 is 34747204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40274743 - 2⁵ = 40274711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40274747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11013 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (10075390).

Almost surely, 2^40274743 is an apocalyptic number.

40274743 is a deficient number, since it is larger than the sum of its proper divisors (26817).

40274743 is a wasteful number, since it uses less digits than its factorization.

40274743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26816.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 40274743 is about 6346.2384922094. The cubic root of 40274743 is about 342.7764099678.

The spelling of 40274743 in words is "forty million, two hundred seventy-four thousand, seven hundred forty-three".